export interface DiffpiAgentConfig {
    models?: string[];
}
export interface DiffpiConfig {
    agents?: Record<string, DiffpiAgentConfig>;
}
export interface LoadedDiffpiConfig {
    config: DiffpiConfig;
    path?: string;
}
export interface DiffpiConfigPaths {
    yaml: string;
    json: string;
}
/** Resolve supported user-level Diffpi configuration paths. */
export declare function diffpiConfigPaths(homeDir?: string): DiffpiConfigPaths;
/** Load the first user configuration file in YAML-then-JSON precedence order. */
export declare function loadDiffpiConfig(options?: {
    homeDir?: string;
}): Promise<LoadedDiffpiConfig>;
/** Apply an optional per-agent user preference list over bundled defaults. */
export declare function resolveAgentModelPreferences(agentId: string, profilePreferences: readonly string[], config: DiffpiConfig): string[];
/** Find one preferred model using exact references, exact ids, then normalized tokens. */
export declare function findPreferredModel<T extends {
    provider: string;
    id: string;
}>(models: readonly T[], preference: string): T | undefined;
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